Summary

Dr. Tarcisio Diaz is an endocrinologist specializing in diabetes and metabolism, as well as internal medicine. He earned his medical degree from the University of the East/Ramon Magsaysay Memorial Medical Center College of Medicine and brings five decades of clinical experience to his practice. Dr. Diaz is fluent in Spanish and Tagalog, allowing him to communicate effectively with diverse patient populations.

Dr. Diaz practices at Corona Regional Medical Center and maintains offices in Corona and Riverside, California. He focuses on managing complex conditions such as type 2 diabetes, heart failure, and diabetic complications like Charcot foot. His expertise includes advanced monitoring techniques such as continuous glucose monitoring and comprehensive metabolic assessments. Patients have given him an average rating of 3.6 on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.6
  • 50 years of experience
  • 45 insurance plans accepted
  • speaks Spanish, Tagalog
  • Univ Of The East/Ramon Magsaysay Memorial Medical Center College Of Med
  • 5 written reviews
  • 2 specialties
  • 9 areas of expertise
  • 1 hospital affiliation
  • 3 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Tarcisio Calibo Diaz has 3 locations

Diaz Tarcisio Office

900 S Main St Ste 100Corona, CA 92882
Mon9:00 am - 5:00 pm
TueClosed
Wed9:00 am - 12:00 pm
Thu9:00 am - 12:00 pm
FriClosed
Sat9:00 am - 12:00 pm
SunClosed

Mor Healthcare

9041 Magnolia AveRiverside, CA 92503
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. Tarcisio Calibo Diaz, MD
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Dr. Tarcisio Calibo Diaz, MDFady A YoussefRichard Selwyn GinsburgChul Lee
Endocrinology, Diabetes & MetabolismCritical Care MedicineAnesthesiologyAllergy & Immunology
Accepts New Patients
3.6 
50 Years of Experience 14 Years of Experience 45 Years of Experience 13 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Spanish, Tagalog
Corona , CAOrange , CAIrvine , CARiverside , CA
Med School: Univ Of The East/Ramon Magsaysay Memorial Medical Center College Of Med Med School: University Of California Irvine College Of Medicine Med School: University Of Pretoria School Of Medicine Med School: University Of Michigan Medical School
Current Profile
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Insurance Plans Accepted by Dr. Tarcisio Calibo Diaz

  • Accepts Medicare
  • Accepts Medicaid
  • Aetna
  • Aetna - HMO
  • Aetna - POS
  • Alignment Health Plan
  • Alignment Health Plan - HMO
  • AltaMed Senior BuenaCare (PACE)
  • AmeriHealth
  • Anthem Blue Cross
  • Blue Cross Blue Shield of Illinois
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Texas
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • Brand New Day
  • CalOptima
  • Cigna
  • Commonwealth Care Alliance
  • Contra Costa Health Plan
  • Fidelis Care (NY)
  • Harvard Pilgrim Health Care
  • Health Alliance
  • Health Net - HMO
  • Humana
  • Humana - HMO
  • Inland Empire Health Plan
  • Kaiser Permanente
  • L.A. Care Health Plan
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Molina Healthcare
  • Molina Healthcare - HMO
  • Molina Healthcare - Medicaid (Managed)
  • Optum Health
  • Optum Health - HMO
  • SCAN Health Plan
  • SCAN Health Plan - HMO
  • Tricare
  • Tufts Health Plan
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • Vantage Health Plan, Inc.
  • Wellcare

Medical Specialties

Dr. Tarcisio Calibo Diaz has the following 2 specialties

Specialty Expertise

Dr. Tarcisio Calibo Diaz has the following 9 areas of expertise

  • Check-up
  • Diabetes
  • Heartburn
  • Immunization
  • Internal Medicine
  • Physical
  • Vaccination
  • Weight Loss
  • Weight Loss (non-surgical)

Certifications, License, & Education

50 Years Experience

Dr. Tarcisio Calibo Diaz holds an active medical license in the state of California.

Medical License

Medical Doctor with an active medical license in the state of California that expires in 2026.

Education & Training

Medical School

Graduated from Univ Of The East/Ramon Magsaysay Memorial Medical Center College Of Med in 1976.

NPI Number

Dr. Diaz's NPI number is 1346379583.

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Frequently Asked Questions

Which hospitals is Dr. Tarcisio Diaz affiliated with?
Dr. Tarcisio Diaz is affiliated with Corona Regional Medical Center.
What languages does Dr. Tarcisio Diaz speak?
Dr. Tarcisio Diaz speaks Spanish and Tagalog.
Is Dr. Tarcisio Diaz accepting new patients?
Dr. Tarcisio Diaz is accepting new patients on Vitals. View Dr. Tarcisio Diaz's profile on Vitals to make an appointment.
Does Dr. Tarcisio Diaz accept virtual/telehealth appointments?
Dr. Tarcisio Diaz has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Tarcisio Diaz accept my insurance?
You can see the insurance plans that Dr. Tarcisio Diaz accepts on their Vitals profile.

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